package com.example.springboot_zc.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.example.springboot_zc.pojo.DyData;

import java.util.List;

public interface dydataService extends IService<DyData> {

    public Integer deleteByStu(String stuNum);
    public List<DyData> selectByStu(String stuNum);
}
